Example

{
  "type": "session.update",
  "event_id": "evt_update_001",
  "session": {
    "delegation": {
      "type": "responses",
      "responses": {
        "instructions": "Check restaurant availability. Ask before confirming a booking.",
        "max_output_tokens": 1024
      }
    }
  }
}

session.input_audio.append

Send audio to a Live session over its primary WebSocket. WebRTC and SIP sessions send audio over their media transport.